CEDAR email: Commission H sessions at AP-RASC 2025

[Robert Marshall]

URSI AP-RASC 2025 Commission H Session Announcement

The 2025 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC 2025) is sponsored by the International Union of Radio Science (URSI), and will be held in Sydney, Australia on August 17-22, 2025. This triennial conference is one of the three URSI Flagship Conferences that include the URSI General Assembly and Scientific Symposium (URSI GASS) and the URSI Atlantic Radio Science Conference (URSI AT-RASC).
The scientific program will have a series of open and convened sessions covering the areas of URSI Commissions A to K, comprising oral/poster sessions with invited and contributed papers and General Lectures. In addition, there will be workshops, short courses, young scientist programs including the Young Scientist Award and the Student Paper Competition, an accompanying persons’ program, and an exhibition.
Abstract submissions are now open, and the submission deadline is February 20, 2025.

Below you will find brief one-sentence overviews of the sessions led by or linked to Commission H; the complete list of sessions and their descriptions are available here:
http://www.aprasc.org/papersubmission.php

H01: Open Session
This session solicits papers on all aspects of waves in space and laboratory plasmas that do not easily fit into the other sessions within Commission H for this URSI meeting.
Conveners: Craig Rodger, Robert Marshall

H02: Plasma waves, wave-particle interactions, and their multifold effects on the radiation belts
This session invites studies that advance our current understanding of wave-particle interactions and their role in radiation belt dynamics from observational, theoretical, and numerical points of view.
Conveners: David Hartley, Ondrej Santolik, Vania Jordanova, Yoshizumi Miyoshi

H03: Machine learning techniques and applications to wave-particle interaction processes in space plasmas
This session will focus on applications of machine learning techniques to wave-particle interactions through the analysis of observational data, large-scale simulation data, or the fusion of observational and simulation data.
Conveners: Drew Turner, Savvas Raptis

H04: Recent advances in geospace research from multi-point observations
This session solicits new findings and advances in geospace research combining the datasets from various satellites missions as well as ground-based networks and numerical simulations.
Conveners: Jyrki Manninen, Jean-Francois Ripoll, Yoshiya Kasahara

H05: Computer simulations in space plasmas
This session solicits state-of-the-art simulation advances and results related to space plasma physics.
Conveners: Esa Kallio, Yohei Miyake, Shahab Fatemi

H06: Turbulence and Instabilities in Space Plasmas
The session welcomes contributions on the use of radio observations to determine the nature of density and velocity fluctuations remotely in the solar wind, alongside work on the theory, numerical modeling, and in situ observations of turbulence and instabilities.
Conveners: Alexander Pitňa, Owen Wyn Roberts, Julia Stawarz, Domenico Trotta, Gary Zank

Joint Sessions Led by Commission H:

HG01: Active Experiments in Space and Laboratory Plasmas
This session will cover recent advances in active experiments in space and in the laboratory that seek to advance and test theories or build diagnostic or predictive capabilities.
Conveners: Robert Moore, Mark Golkowski

HGE01: Atmospheric, ionospheric, magnetospheric, and high energy effects of lightning discharges
This session solicits contributions that advance knowledge in the areas of the global atmospheric electric circuit, lightning physics, transient luminous events, energetic radiation, relativistic particles, and their impact on the Earth's atmosphere, ionosphere and magnetosphere.
Conveners: Ivana Kolmašová, Yuuki Wada, Martin Fullekrug, Ningyu Liu

HGJ01: Panel Discussion for Early Career Researchers
In this session, we invite a panel of renowned researchers to give their opinions on how the research field has evolved since they started their careers and to highlight and discuss the key questions for the future of space physics.
Conveners: David Hartley, Bruce Fritz, Mohamed Said Darwish

Joint Sessions involving Commission H lead by other Commissions:

EFGH: Natural Electromagnetic Noise and Radio Sensing Applications in Terrestrial and Planetary Environment
This joint session aims at presenting recent works on electromagnetic noise and phenomena in the terrestrial atmosphere and upper atmosphere (ionosphere/magnetosphere), including atmospheric noises from lightning discharges (ELF Schumann resonances, mesospheric optical emissions, disruption in global electric circuit etc.), man-made noise, and noise due to wave-particle and wave-wave interactions.
Conveners: Yasuhide Hobara, Sujay Pal, Tomoo Ushio

GH1: Planetary Space Weather
The session will host talks addressing recent developments in studies concerning planetary atmospheres and ionospheres, solar/planetary plasma interactions as well as space weather effects at planetary bodies.
Conveners: Alessandro Ippolito, Bruno Nava, Hanna Rothkaehl, Yuki Harada

JH01: Radio observations and diagnostics for the heliosphere and space weather
This session invites contributions on recent observations of solar, heliospheric, and planetary radio emissions. Topics include radio observation techniques, emission and propagation modelling, and radio diagnostics for space weather.
Conveners: Pietro Zucca, Mauro Meserotti, Yihua Yan, Natchimuthuk Gopalswamy, Patrick Galopeau




Dr. Robert A. Marshall
Associate Professor

H. Joseph Smead Faculty Fellow
Associate Chair for Graduate Studies
Associate Director, Colorado Center for Astrodynamics Research
Ann & H. J. Smead Department of Aerospace Engineering Sciences
University of Colorado Boulder
Office: AERO 419
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